ArticleOpen forum infectious diseases2026
Persistent Dominance of Serotype 3 in Noninvasive Pneumococcal Disease in Belgium (2022-2025).
Article in Open forum infectious diseases, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Noninvasive pneumococcal disease (NIPD) represents a substantial portion of the total pneumococcal disease burden worldwide. In this cross-sectional study, the serotype distribution for isolates originating from NIPD patients in Belgium (2022-2025) is described. Serotype 3 was the serotype with the largest NIPD burden in Belgium (n = 178, 12.7%), and detailed analyses revealed that its burden was lower in infants <2 years when compared to older age groups. Pneumococcal conjugate vaccines PCV20 and PCV21 cover approximately 50% to 80%, respectively, of circulating serotypes responsible for NIPD in Belgium, which underlines the importance of improving vaccine uptake in the adult population.
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